Function test_cache_eviction

atomic-repository/src/changestore/tests.rs:424–451

()

#[test]
fn test_cache_eviction() {
    // Create store with small cache
    let temp_dir = create_temp_dir();
    let changes_dir = temp_dir.path().join("changes");
    let store = ChangeStore::new(changes_dir, 2).expect("Failed to create store");

    // Save 3 changes (more than cache capacity)
    let mut hashes = Vec::new();
    for i in 0..3 {
        let change = create_test_change(&format!("Change {}", i));
        let hash = store.save_change(&change).expect("Failed to save change");
        hashes.push(hash);
    }

    // Cache should have at most 2 entries
    assert!(store.cache_size() <= 2);

    // All changes should still be loadable from disk
    for hash in &hashes {
        store.clear_cache();
        let result = store.load_change(hash);
        assert!(
            result.is_ok(),
            "Should load change {} from disk",
            hash.to_base32()
        );
    }
}

// Error Condition Tests